Regularities in Evaporation and Carryover of Polydisperse Water Flow Droplets During Motion Through High-Temperature Gases

Abstract

The macroscopic regularities of the motion of water droplets (initial size 50–500 μm) moving through a counter-flowing high-temperature gas at about 1100 K were investigated using panoramic tracer visualization optical methods (Particle Image Velocimetry and Interferometric Particle Imaging). Characteristic velocities of water droplet evaporation, as well as conditions for their retardation and subsequent carryover by high-temperature gases, were determined. The limiting initial velocities and sizes of droplets for which the conditions of retardation and carryover are implemented were established. Recommendations for improvement of the effectiveness of thermal (high-temperature) water cleaning were formulated.

Original language	English
Pages (from-to)	456-462
Number of pages	7
Journal	Chemical and Petroleum Engineering
Volume	51
Issue number	7-8
DOIs	https://doi.org/10.1007/s10556-015-0068-2
Publication status	Published - 1 Nov 2015

Keywords

carryover
droplet flow
high-temperature gases
phase transformations
retardation
thermal cleaning
water

ASJC Scopus subject areas

Chemical Engineering(all)
Energy Engineering and Power Technology
Fuel Technology
Geochemistry and Petrology

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10.1007/s10556-015-0068-2

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title = "Regularities in Evaporation and Carryover of Polydisperse Water Flow Droplets During Motion Through High-Temperature Gases",

abstract = "The macroscopic regularities of the motion of water droplets (initial size 50–500 μm) moving through a counter-flowing high-temperature gas at about 1100 K were investigated using panoramic tracer visualization optical methods (Particle Image Velocimetry and Interferometric Particle Imaging). Characteristic velocities of water droplet evaporation, as well as conditions for their retardation and subsequent carryover by high-temperature gases, were determined. The limiting initial velocities and sizes of droplets for which the conditions of retardation and carryover are implemented were established. Recommendations for improvement of the effectiveness of thermal (high-temperature) water cleaning were formulated.",

keywords = "carryover, droplet flow, high-temperature gases, phase transformations, retardation, thermal cleaning, water",

author = "Kuznetsov, {G. V.} and Strizhak, {P. A.} and Volkov, {R. S.}",

year = "2015",

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language = "English",

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pages = "456--462",

journal = "Chemical and Petroleum Engineering (English translation of Khimicheskoe i Neftyanoe Mashinostroenie)",

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T1 - Regularities in Evaporation and Carryover of Polydisperse Water Flow Droplets During Motion Through High-Temperature Gases

AU - Kuznetsov, G. V.

AU - Strizhak, P. A.

AU - Volkov, R. S.

PY - 2015/11/1

Y1 - 2015/11/1

N2 - The macroscopic regularities of the motion of water droplets (initial size 50–500 μm) moving through a counter-flowing high-temperature gas at about 1100 K were investigated using panoramic tracer visualization optical methods (Particle Image Velocimetry and Interferometric Particle Imaging). Characteristic velocities of water droplet evaporation, as well as conditions for their retardation and subsequent carryover by high-temperature gases, were determined. The limiting initial velocities and sizes of droplets for which the conditions of retardation and carryover are implemented were established. Recommendations for improvement of the effectiveness of thermal (high-temperature) water cleaning were formulated.

AB - The macroscopic regularities of the motion of water droplets (initial size 50–500 μm) moving through a counter-flowing high-temperature gas at about 1100 K were investigated using panoramic tracer visualization optical methods (Particle Image Velocimetry and Interferometric Particle Imaging). Characteristic velocities of water droplet evaporation, as well as conditions for their retardation and subsequent carryover by high-temperature gases, were determined. The limiting initial velocities and sizes of droplets for which the conditions of retardation and carryover are implemented were established. Recommendations for improvement of the effectiveness of thermal (high-temperature) water cleaning were formulated.

KW - carryover

KW - droplet flow

KW - high-temperature gases

KW - phase transformations

KW - retardation

KW - thermal cleaning

KW - water

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JF - Chemical and Petroleum Engineering (English translation of Khimicheskoe i Neftyanoe Mashinostroenie)

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